Footwear outsole



FIG. 1 is a side perspective view of a footwear outsole showing my new design;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a cross-section thereof taken along line 3-3 of FIG. 2.

The broken lines around the design in the figures represent the boundary of the design. The broken lines showing the remainder of the footwear illustrate the environment in which the design resides. The broken lines form no part of the claim. 

The ornamental design for a footwear outsole, as shown and described. 